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# All …. Triangles are similar.A. Right angledB. IsoscelesC. EquilateralD. Reflex

Last updated date: 13th Jun 2024
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Hint: Here we have to find out which types of triangles are always similar. First, we will define a similar triangle. Then we will check each option one by one and find which option satisfies the definition of a similar triangle.

We can’t say this for a right angle triangle as its one angle is ${90^ \circ }$ and the other two angles can be different or similar.
There is no triangle which is termed as a reflex triangle, rather it is a type of angle. When the measure of the angle is greater than $180^\circ$ but less than $360^\circ$ is termed as reflex angle.
Similar triangles are the triangles having the same shape but different sizes. The symbol used to denote the similarity of triangles is $\sim$. There are many ways to determine whether two triangles are similar or not which are defined as follows: